Partikel ‘kah’ is written as one word with the word that is followed. A sentence can be overtly marked as a question by use of ‘-kah’. It is always optional and is largely confined to writing and formal speech.
- Apakah dia sakit?
- Is he sick?
- Sakitkah dia?
- Is he sick?
- Maukah kamu ikut?
- Do you want to come along?
- Siapakah dia?
- Who is she?
- Bukankah dia kaya?
- Isn’t he/she rich?